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Simple machines
Question | Answer |
---|---|
The push or pull upon an object | Force |
The two things an object can change | Speed and direction |
The object used to measure force | Spring scale |
The unit used to measure force | Newtons |
A force that resists the motion of objects | Friction |
Things used to reduce friction | Lubricants |
The person that discovered the law of gravitation | Sir issac Newton |